20163126920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:735

約数の個数: 128

約数和(自身を含む): 46785392640

約数和(自身を除く): 26622265720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 101, 157, 166, 202, 314, 332, 383, 404, 415, 505, 628, 664, 766, 785, 808, 830, 1010, 1256, 1532, 1570, 1660, 1915, 2020, 3064, 3140, 3320, 3830, 4040, 6280, 7660, 8383, 13031, 15320, 15857, 16766, 26062, 31714, 31789, 33532, 38683, 41915, 52124, 60131, 63428, 63578, 65155, 67064, 77366, 79285, 83830, 104248, 120262, 126856, 127156, 130310, 154732, 158570, 158945, 167660, 193415, 240524, 254312, 260620, 300655, 309464, 317140, 317890, 335320, 386830, 481048, 521240, 601310, 634280, 635780, 773660, 1202620, 1271560, 1316131, 1547320, 2405240, 2632262, 3210689, 4990873, 5264524, 6073231, 6421378, 6580655, 9981746, 10529048, 12146462, 12842756, 13161310, 16053445, 19963492, 24292924, 24954365, 25685512, 26322620, 30366155, 32106890, 39926984, 48585848, 49908730, 52645240, 60732310, 64213780, 99817460, 121464620, 128427560, 199634920, 242929240, 504078173, 1008156346, 2016312692, 2520390865, 4032625384, 5040781730, 10081563460, 20163126920]

約数ペア:

[(1, 20163126920), (2, 10081563460), (4, 5040781730), (5, 4032625384), (8, 2520390865), (10, 2016312692), (20, 1008156346), (40, 504078173), (83, 242929240), (101, 199634920), (157, 128427560), (166, 121464620), (202, 99817460), (314, 64213780), (332, 60732310), (383, 52645240), (404, 49908730), (415, 48585848), (505, 39926984), (628, 32106890), (664, 30366155), (766, 26322620), (785, 25685512), (808, 24954365), (830, 24292924), (1010, 19963492), (1256, 16053445), (1532, 13161310), (1570, 12842756), (1660, 12146462), (1915, 10529048), (2020, 9981746), (3064, 6580655), (3140, 6421378), (3320, 6073231), (3830, 5264524), (4040, 4990873), (6280, 3210689), (7660, 2632262), (8383, 2405240), (13031, 1547320), (15320, 1316131), (15857, 1271560), (16766, 1202620), (26062, 773660), (31714, 635780), (31789, 634280), (33532, 601310), (38683, 521240), (41915, 481048), (52124, 386830), (60131, 335320), (63428, 317890), (63578, 317140), (65155, 309464), (67064, 300655), (77366, 260620), (79285, 254312), (83830, 240524), (104248, 193415), (120262, 167660), (126856, 158945), (127156, 158570), (130310, 154732)]