20159204516

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{27749}}^1$

素因数の和:27873

約数の個数: 72

約数和(自身を含む): 41336400000

約数和(自身を除く): 21177195484

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 79, 121, 158, 209, 242, 316, 418, 484, 836, 869, 1501, 1738, 2299, 3002, 3476, 4598, 6004, 9196, 9559, 16511, 19118, 27749, 33022, 38236, 55498, 66044, 110996, 181621, 305239, 363242, 527231, 610478, 726484, 1054462, 1220956, 2108924, 2192171, 3357629, 4384342, 5799541, 6715258, 8768684, 11599082, 13430516, 23198164, 24113881, 41651249, 48227762, 63794951, 83302498, 96455524, 127589902, 166604996, 255179804, 265252691, 458163739, 530505382, 916327478, 1061010764, 1832654956, 5039801129, 10079602258, 20159204516]

約数ペア:

[(1, 20159204516), (2, 10079602258), (4, 5039801129), (11, 1832654956), (19, 1061010764), (22, 916327478), (38, 530505382), (44, 458163739), (76, 265252691), (79, 255179804), (121, 166604996), (158, 127589902), (209, 96455524), (242, 83302498), (316, 63794951), (418, 48227762), (484, 41651249), (836, 24113881), (869, 23198164), (1501, 13430516), (1738, 11599082), (2299, 8768684), (3002, 6715258), (3476, 5799541), (4598, 4384342), (6004, 3357629), (9196, 2192171), (9559, 2108924), (16511, 1220956), (19118, 1054462), (27749, 726484), (33022, 610478), (38236, 527231), (55498, 363242), (66044, 305239), (110996, 181621)]