20196990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:934

約数の個数: 96

約数和(自身を含む): 59844096

約数和(自身を除く): 39647106

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 30, 33, 45, 46, 55, 66, 69, 90, 99, 110, 115, 138, 165, 198, 207, 230, 253, 330, 345, 414, 495, 506, 690, 759, 887, 990, 1035, 1265, 1518, 1774, 2070, 2277, 2530, 2661, 3795, 4435, 4554, 5322, 7590, 7983, 8870, 9757, 11385, 13305, 15966, 19514, 20401, 22770, 26610, 29271, 39915, 40802, 48785, 58542, 61203, 79830, 87813, 97570, 102005, 122406, 146355, 175626, 183609, 204010, 224411, 292710, 306015, 367218, 439065, 448822, 612030, 673233, 878130, 918045, 1122055, 1346466, 1836090, 2019699, 2244110, 3366165, 4039398, 6732330, 10098495, 20196990]

約数ペア:

[(1, 20196990), (2, 10098495), (3, 6732330), (5, 4039398), (6, 3366165), (9, 2244110), (10, 2019699), (11, 1836090), (15, 1346466), (18, 1122055), (22, 918045), (23, 878130), (30, 673233), (33, 612030), (45, 448822), (46, 439065), (55, 367218), (66, 306015), (69, 292710), (90, 224411), (99, 204010), (110, 183609), (115, 175626), (138, 146355), (165, 122406), (198, 102005), (207, 97570), (230, 87813), (253, 79830), (330, 61203), (345, 58542), (414, 48785), (495, 40802), (506, 39915), (690, 29271), (759, 26610), (887, 22770), (990, 20401), (1035, 19514), (1265, 15966), (1518, 13305), (1774, 11385), (2070, 9757), (2277, 8870), (2530, 7983), (2661, 7590), (3795, 5322), (4435, 4554)]