20832840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1181}}^1$

素因数の和:1212

約数の個数: 144

約数和(自身を含む): 78827580

約数和(自身を除く): 57994740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1181, 1260, 1470, 1764, 1960, 2205, 2362, 2520, 2940, 3528, 3543, 4410, 4724, 5880, 5905, 7086, 8267, 8820, 9448, 10629, 11810, 14172, 16534, 17640, 17715, 21258, 23620, 24801, 28344, 33068, 35430, 41335, 42516, 47240, 49602, 53145, 57869, 66136, 70860, 74403, 82670, 85032, 99204, 106290, 115738, 124005, 141720, 148806, 165340, 173607, 198408, 212580, 231476, 248010, 289345, 297612, 330680, 347214, 372015, 425160, 462952, 496020, 520821, 578690, 595224, 694428, 744030, 868035, 992040, 1041642, 1157380, 1388856, 1488060, 1736070, 2083284, 2314760, 2604105, 2976120, 3472140, 4166568, 5208210, 6944280, 10416420, 20832840]

約数ペア:

[(1, 20832840), (2, 10416420), (3, 6944280), (4, 5208210), (5, 4166568), (6, 3472140), (7, 2976120), (8, 2604105), (9, 2314760), (10, 2083284), (12, 1736070), (14, 1488060), (15, 1388856), (18, 1157380), (20, 1041642), (21, 992040), (24, 868035), (28, 744030), (30, 694428), (35, 595224), (36, 578690), (40, 520821), (42, 496020), (45, 462952), (49, 425160), (56, 372015), (60, 347214), (63, 330680), (70, 297612), (72, 289345), (84, 248010), (90, 231476), (98, 212580), (105, 198408), (120, 173607), (126, 165340), (140, 148806), (147, 141720), (168, 124005), (180, 115738), (196, 106290), (210, 99204), (245, 85032), (252, 82670), (280, 74403), (294, 70860), (315, 66136), (360, 57869), (392, 53145), (420, 49602), (441, 47240), (490, 42516), (504, 41335), (588, 35430), (630, 33068), (735, 28344), (840, 24801), (882, 23620), (980, 21258), (1176, 17715), (1181, 17640), (1260, 16534), (1470, 14172), (1764, 11810), (1960, 10629), (2205, 9448), (2362, 8820), (2520, 8267), (2940, 7086), (3528, 5905), (3543, 5880), (4410, 4724)]