20853846728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{444607}}^1$

素因数の和:444678

約数の個数: 64

約数和(自身を含む): 47057310720

約数和(自身を除く): 26203463992

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 286, 328, 451, 533, 572, 902, 1066, 1144, 1804, 2132, 3608, 4264, 5863, 11726, 23452, 46904, 444607, 889214, 1778428, 3556856, 4890677, 5779891, 9781354, 11559782, 18228887, 19562708, 23119564, 36457774, 39125416, 46239128, 63578801, 72915548, 127157602, 145831096, 200517757, 236975531, 254315204, 401035514, 473951062, 508630408, 802071028, 947902124, 1604142056, 1895804248, 2606730841, 5213461682, 10426923364, 20853846728]

約数ペア:

[(1, 20853846728), (2, 10426923364), (4, 5213461682), (8, 2606730841), (11, 1895804248), (13, 1604142056), (22, 947902124), (26, 802071028), (41, 508630408), (44, 473951062), (52, 401035514), (82, 254315204), (88, 236975531), (104, 200517757), (143, 145831096), (164, 127157602), (286, 72915548), (328, 63578801), (451, 46239128), (533, 39125416), (572, 36457774), (902, 23119564), (1066, 19562708), (1144, 18228887), (1804, 11559782), (2132, 9781354), (3608, 5779891), (4264, 4890677), (5863, 3556856), (11726, 1778428), (23452, 889214), (46904, 444607)]