20894190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 54167616

約数和(自身を除く): 33273426

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 53, 85, 102, 106, 159, 170, 255, 265, 318, 510, 530, 773, 795, 901, 1546, 1590, 1802, 2319, 2703, 3865, 4505, 4638, 5406, 7730, 9010, 11595, 13141, 13515, 23190, 26282, 27030, 39423, 40969, 65705, 78846, 81938, 122907, 131410, 197115, 204845, 245814, 394230, 409690, 614535, 696473, 1229070, 1392946, 2089419, 3482365, 4178838, 6964730, 10447095, 20894190]

約数ペア:

[(1, 20894190), (2, 10447095), (3, 6964730), (5, 4178838), (6, 3482365), (10, 2089419), (15, 1392946), (17, 1229070), (30, 696473), (34, 614535), (51, 409690), (53, 394230), (85, 245814), (102, 204845), (106, 197115), (159, 131410), (170, 122907), (255, 81938), (265, 78846), (318, 65705), (510, 40969), (530, 39423), (773, 27030), (795, 26282), (901, 23190), (1546, 13515), (1590, 13141), (1802, 11595), (2319, 9010), (2703, 7730), (3865, 5406), (4505, 4638)]