20558235280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{7043}}^1$

素因数の和:7205

約数の個数: 160

約数和(自身を含む): 54335950848

約数和(自身を除く): 33777715568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 107, 110, 124, 155, 176, 214, 220, 248, 310, 341, 428, 440, 496, 535, 620, 682, 856, 880, 1070, 1177, 1240, 1364, 1705, 1712, 2140, 2354, 2480, 2728, 3317, 3410, 4280, 4708, 5456, 5885, 6634, 6820, 7043, 8560, 9416, 11770, 13268, 13640, 14086, 16585, 18832, 23540, 26536, 27280, 28172, 33170, 35215, 36487, 47080, 53072, 56344, 66340, 70430, 72974, 77473, 94160, 112688, 132680, 140860, 145948, 154946, 182435, 218333, 265360, 281720, 291896, 309892, 364870, 387365, 436666, 563440, 583792, 619784, 729740, 753601, 774730, 873332, 1091665, 1239568, 1459480, 1507202, 1549460, 1746664, 2183330, 2401663, 2918960, 3014404, 3098920, 3493328, 3768005, 4366660, 4803326, 6028808, 6197840, 7536010, 8289611, 8733320, 9606652, 12008315, 12057616, 15072020, 16579222, 17466640, 19213304, 23361631, 24016630, 30144040, 33158444, 38426608, 41448055, 46723262, 48033260, 60288080, 66316888, 82896110, 93446524, 96066520, 116808155, 132633776, 165792220, 186893048, 192133040, 233616310, 256977941, 331584440, 373786096, 467232620, 513955882, 663168880, 934465240, 1027911764, 1284889705, 1868930480, 2055823528, 2569779410, 4111647056, 5139558820, 10279117640, 20558235280]

約数ペア:

[(1, 20558235280), (2, 10279117640), (4, 5139558820), (5, 4111647056), (8, 2569779410), (10, 2055823528), (11, 1868930480), (16, 1284889705), (20, 1027911764), (22, 934465240), (31, 663168880), (40, 513955882), (44, 467232620), (55, 373786096), (62, 331584440), (80, 256977941), (88, 233616310), (107, 192133040), (110, 186893048), (124, 165792220), (155, 132633776), (176, 116808155), (214, 96066520), (220, 93446524), (248, 82896110), (310, 66316888), (341, 60288080), (428, 48033260), (440, 46723262), (496, 41448055), (535, 38426608), (620, 33158444), (682, 30144040), (856, 24016630), (880, 23361631), (1070, 19213304), (1177, 17466640), (1240, 16579222), (1364, 15072020), (1705, 12057616), (1712, 12008315), (2140, 9606652), (2354, 8733320), (2480, 8289611), (2728, 7536010), (3317, 6197840), (3410, 6028808), (4280, 4803326), (4708, 4366660), (5456, 3768005), (5885, 3493328), (6634, 3098920), (6820, 3014404), (7043, 2918960), (8560, 2401663), (9416, 2183330), (11770, 1746664), (13268, 1549460), (13640, 1507202), (14086, 1459480), (16585, 1239568), (18832, 1091665), (23540, 873332), (26536, 774730), (27280, 753601), (28172, 729740), (33170, 619784), (35215, 583792), (36487, 563440), (47080, 436666), (53072, 387365), (56344, 364870), (66340, 309892), (70430, 291896), (72974, 281720), (77473, 265360), (94160, 218333), (112688, 182435), (132680, 154946), (140860, 145948)]