20245470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 60466176

約数和(自身を除く): 40220706

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 53, 70, 85, 102, 105, 106, 107, 119, 159, 170, 210, 214, 238, 255, 265, 318, 321, 357, 371, 510, 530, 535, 595, 642, 714, 742, 749, 795, 901, 1070, 1113, 1190, 1498, 1590, 1605, 1785, 1802, 1819, 1855, 2226, 2247, 2703, 3210, 3570, 3638, 3710, 3745, 4494, 4505, 5406, 5457, 5565, 5671, 6307, 7490, 9010, 9095, 10914, 11130, 11235, 11342, 12614, 12733, 13515, 17013, 18190, 18921, 22470, 25466, 27030, 27285, 28355, 31535, 34026, 37842, 38199, 39697, 54570, 56710, 63070, 63665, 76398, 79394, 85065, 94605, 96407, 119091, 127330, 170130, 189210, 190995, 192814, 198485, 238182, 289221, 381990, 396970, 482035, 578442, 595455, 674849, 964070, 1190910, 1349698, 1446105, 2024547, 2892210, 3374245, 4049094, 6748490, 10122735, 20245470]

約数ペア:

[(1, 20245470), (2, 10122735), (3, 6748490), (5, 4049094), (6, 3374245), (7, 2892210), (10, 2024547), (14, 1446105), (15, 1349698), (17, 1190910), (21, 964070), (30, 674849), (34, 595455), (35, 578442), (42, 482035), (51, 396970), (53, 381990), (70, 289221), (85, 238182), (102, 198485), (105, 192814), (106, 190995), (107, 189210), (119, 170130), (159, 127330), (170, 119091), (210, 96407), (214, 94605), (238, 85065), (255, 79394), (265, 76398), (318, 63665), (321, 63070), (357, 56710), (371, 54570), (510, 39697), (530, 38199), (535, 37842), (595, 34026), (642, 31535), (714, 28355), (742, 27285), (749, 27030), (795, 25466), (901, 22470), (1070, 18921), (1113, 18190), (1190, 17013), (1498, 13515), (1590, 12733), (1605, 12614), (1785, 11342), (1802, 11235), (1819, 11130), (1855, 10914), (2226, 9095), (2247, 9010), (2703, 7490), (3210, 6307), (3570, 5671), (3638, 5565), (3710, 5457), (3745, 5406), (4494, 4505)]