20925684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 57977192

約数和(自身を除く): 37051508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 732, 733, 793, 1098, 1466, 1586, 2196, 2199, 2379, 2932, 3172, 4398, 4758, 6597, 7137, 8796, 9516, 9529, 13194, 14274, 19058, 26388, 28548, 28587, 38116, 44713, 57174, 85761, 89426, 114348, 134139, 171522, 178852, 268278, 343044, 402417, 536556, 581269, 804834, 1162538, 1609668, 1743807, 2325076, 3487614, 5231421, 6975228, 10462842, 20925684]

約数ペア:

[(1, 20925684), (2, 10462842), (3, 6975228), (4, 5231421), (6, 3487614), (9, 2325076), (12, 1743807), (13, 1609668), (18, 1162538), (26, 804834), (36, 581269), (39, 536556), (52, 402417), (61, 343044), (78, 268278), (117, 178852), (122, 171522), (156, 134139), (183, 114348), (234, 89426), (244, 85761), (366, 57174), (468, 44713), (549, 38116), (732, 28587), (733, 28548), (793, 26388), (1098, 19058), (1466, 14274), (1586, 13194), (2196, 9529), (2199, 9516), (2379, 8796), (2932, 7137), (3172, 6597), (4398, 4758)]