20003490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 59270400

約数和(自身を除く): 39266910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 41, 45, 54, 65, 78, 82, 90, 117, 123, 130, 135, 139, 195, 205, 234, 246, 270, 278, 351, 369, 390, 410, 417, 533, 585, 615, 695, 702, 738, 834, 1066, 1107, 1170, 1230, 1251, 1390, 1599, 1755, 1807, 1845, 2085, 2214, 2502, 2665, 3198, 3510, 3614, 3690, 3753, 4170, 4797, 5330, 5421, 5535, 5699, 6255, 7506, 7995, 9035, 9594, 10842, 11070, 11398, 12510, 14391, 15990, 16263, 17097, 18070, 18765, 23985, 27105, 28495, 28782, 32526, 34194, 37530, 47970, 48789, 51291, 54210, 56990, 71955, 74087, 81315, 85485, 97578, 102582, 143910, 148174, 153873, 162630, 170970, 222261, 243945, 256455, 307746, 370435, 444522, 487890, 512910, 666783, 740870, 769365, 1111305, 1333566, 1538730, 2000349, 2222610, 3333915, 4000698, 6667830, 10001745, 20003490]

約数ペア:

[(1, 20003490), (2, 10001745), (3, 6667830), (5, 4000698), (6, 3333915), (9, 2222610), (10, 2000349), (13, 1538730), (15, 1333566), (18, 1111305), (26, 769365), (27, 740870), (30, 666783), (39, 512910), (41, 487890), (45, 444522), (54, 370435), (65, 307746), (78, 256455), (82, 243945), (90, 222261), (117, 170970), (123, 162630), (130, 153873), (135, 148174), (139, 143910), (195, 102582), (205, 97578), (234, 85485), (246, 81315), (270, 74087), (278, 71955), (351, 56990), (369, 54210), (390, 51291), (410, 48789), (417, 47970), (533, 37530), (585, 34194), (615, 32526), (695, 28782), (702, 28495), (738, 27105), (834, 23985), (1066, 18765), (1107, 18070), (1170, 17097), (1230, 16263), (1251, 15990), (1390, 14391), (1599, 12510), (1755, 11398), (1807, 11070), (1845, 10842), (2085, 9594), (2214, 9035), (2502, 7995), (2665, 7506), (3198, 6255), (3510, 5699), (3614, 5535), (3690, 5421), (3753, 5330), (4170, 4797)]