20106254860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{2477}}^1$

素因数の和:3067

約数の個数: 96

約数和(自身を含む): 45635244480

約数和(自身を除く): 25528989620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 521, 779, 820, 1042, 1558, 2084, 2477, 2605, 3116, 3895, 4954, 5210, 7790, 9899, 9908, 10420, 12385, 15580, 19798, 21361, 24770, 39596, 42722, 47063, 49495, 49540, 85444, 94126, 98990, 101557, 106805, 188252, 197980, 203114, 213610, 235315, 405859, 406228, 427220, 470630, 507785, 811718, 941260, 1015570, 1290517, 1623436, 1929583, 2029295, 2031140, 2581034, 3859166, 4058590, 5162068, 6452585, 7718332, 8117180, 9647915, 12905170, 19295830, 24519823, 25810340, 38591660, 49039646, 52911197, 98079292, 105822394, 122599115, 211644788, 245198230, 264555985, 490396460, 529111970, 1005312743, 1058223940, 2010625486, 4021250972, 5026563715, 10053127430, 20106254860]

約数ペア:

[(1, 20106254860), (2, 10053127430), (4, 5026563715), (5, 4021250972), (10, 2010625486), (19, 1058223940), (20, 1005312743), (38, 529111970), (41, 490396460), (76, 264555985), (82, 245198230), (95, 211644788), (164, 122599115), (190, 105822394), (205, 98079292), (380, 52911197), (410, 49039646), (521, 38591660), (779, 25810340), (820, 24519823), (1042, 19295830), (1558, 12905170), (2084, 9647915), (2477, 8117180), (2605, 7718332), (3116, 6452585), (3895, 5162068), (4954, 4058590), (5210, 3859166), (7790, 2581034), (9899, 2031140), (9908, 2029295), (10420, 1929583), (12385, 1623436), (15580, 1290517), (19798, 1015570), (21361, 941260), (24770, 811718), (39596, 507785), (42722, 470630), (47063, 427220), (49495, 406228), (49540, 405859), (85444, 235315), (94126, 213610), (98990, 203114), (101557, 197980), (106805, 188252)]