20888973040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{38113}}^1$

素因数の和:38187

約数の個数: 160

約数和(自身を含む): 57167341056

約数和(自身を除く): 36278368016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 170, 208, 221, 248, 260, 272, 310, 340, 403, 442, 496, 520, 527, 620, 680, 806, 884, 1040, 1054, 1105, 1240, 1360, 1612, 1768, 2015, 2108, 2210, 2480, 2635, 3224, 3536, 4030, 4216, 4420, 5270, 6448, 6851, 8060, 8432, 8840, 10540, 13702, 16120, 17680, 21080, 27404, 32240, 34255, 38113, 42160, 54808, 68510, 76226, 109616, 137020, 152452, 190565, 274040, 304904, 381130, 495469, 548080, 609808, 647921, 762260, 990938, 1181503, 1295842, 1524520, 1981876, 2363006, 2477345, 2591684, 3049040, 3239605, 3963752, 4726012, 4954690, 5183368, 5907515, 6479210, 7927504, 8422973, 9452024, 9909380, 10366736, 11815030, 12958420, 15359539, 16845946, 18904048, 19818760, 20085551, 23630060, 25916840, 30719078, 33691892, 39637520, 40171102, 42114865, 47260120, 51833680, 61438156, 67383784, 76797695, 80342204, 84229730, 94520240, 100427755, 122876312, 134767568, 153595390, 160684408, 168459460, 200855510, 245752624, 261112163, 307190780, 321368816, 336918920, 401711020, 522224326, 614381560, 673837840, 803422040, 1044448652, 1228763120, 1305560815, 1606844080, 2088897304, 2611121630, 4177794608, 5222243260, 10444486520, 20888973040]

約数ペア:

[(1, 20888973040), (2, 10444486520), (4, 5222243260), (5, 4177794608), (8, 2611121630), (10, 2088897304), (13, 1606844080), (16, 1305560815), (17, 1228763120), (20, 1044448652), (26, 803422040), (31, 673837840), (34, 614381560), (40, 522224326), (52, 401711020), (62, 336918920), (65, 321368816), (68, 307190780), (80, 261112163), (85, 245752624), (104, 200855510), (124, 168459460), (130, 160684408), (136, 153595390), (155, 134767568), (170, 122876312), (208, 100427755), (221, 94520240), (248, 84229730), (260, 80342204), (272, 76797695), (310, 67383784), (340, 61438156), (403, 51833680), (442, 47260120), (496, 42114865), (520, 40171102), (527, 39637520), (620, 33691892), (680, 30719078), (806, 25916840), (884, 23630060), (1040, 20085551), (1054, 19818760), (1105, 18904048), (1240, 16845946), (1360, 15359539), (1612, 12958420), (1768, 11815030), (2015, 10366736), (2108, 9909380), (2210, 9452024), (2480, 8422973), (2635, 7927504), (3224, 6479210), (3536, 5907515), (4030, 5183368), (4216, 4954690), (4420, 4726012), (5270, 3963752), (6448, 3239605), (6851, 3049040), (8060, 2591684), (8432, 2477345), (8840, 2363006), (10540, 1981876), (13702, 1524520), (16120, 1295842), (17680, 1181503), (21080, 990938), (27404, 762260), (32240, 647921), (34255, 609808), (38113, 548080), (42160, 495469), (54808, 381130), (68510, 304904), (76226, 274040), (109616, 190565), (137020, 152452)]