20054966100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{5189}}^1$

素因数の和:6210

約数の個数: 144

約数和(自身を含む): 62564328960

約数和(自身を除く): 42509362860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 991, 1300, 1950, 1982, 2973, 3900, 3964, 4955, 5189, 5946, 9910, 10378, 11892, 12883, 14865, 15567, 19820, 20756, 24775, 25766, 25945, 29730, 31134, 38649, 49550, 51532, 51890, 59460, 62268, 64415, 67457, 74325, 77298, 77835, 99100, 103780, 128830, 129725, 134914, 148650, 154596, 155670, 193245, 202371, 257660, 259450, 269828, 297300, 311340, 322075, 337285, 386490, 389175, 404742, 518900, 644150, 674570, 772980, 778350, 809484, 966225, 1011855, 1288300, 1349140, 1556700, 1686425, 1932450, 2023710, 3372850, 3864900, 4047420, 5059275, 5142299, 6745700, 10118550, 10284598, 15426897, 20237100, 20569196, 25711495, 30853794, 51422990, 61707588, 66849887, 77134485, 102845980, 128557475, 133699774, 154268970, 200549661, 257114950, 267399548, 308537940, 334249435, 385672425, 401099322, 514229900, 668498870, 771344850, 802198644, 1002748305, 1336997740, 1542689700, 1671247175, 2005496610, 3342494350, 4010993220, 5013741525, 6684988700, 10027483050, 20054966100]

約数ペア:

[(1, 20054966100), (2, 10027483050), (3, 6684988700), (4, 5013741525), (5, 4010993220), (6, 3342494350), (10, 2005496610), (12, 1671247175), (13, 1542689700), (15, 1336997740), (20, 1002748305), (25, 802198644), (26, 771344850), (30, 668498870), (39, 514229900), (50, 401099322), (52, 385672425), (60, 334249435), (65, 308537940), (75, 267399548), (78, 257114950), (100, 200549661), (130, 154268970), (150, 133699774), (156, 128557475), (195, 102845980), (260, 77134485), (300, 66849887), (325, 61707588), (390, 51422990), (650, 30853794), (780, 25711495), (975, 20569196), (991, 20237100), (1300, 15426897), (1950, 10284598), (1982, 10118550), (2973, 6745700), (3900, 5142299), (3964, 5059275), (4955, 4047420), (5189, 3864900), (5946, 3372850), (9910, 2023710), (10378, 1932450), (11892, 1686425), (12883, 1556700), (14865, 1349140), (15567, 1288300), (19820, 1011855), (20756, 966225), (24775, 809484), (25766, 778350), (25945, 772980), (29730, 674570), (31134, 644150), (38649, 518900), (49550, 404742), (51532, 389175), (51890, 386490), (59460, 337285), (62268, 322075), (64415, 311340), (67457, 297300), (74325, 269828), (77298, 259450), (77835, 257660), (99100, 202371), (103780, 193245), (128830, 155670), (129725, 154596), (134914, 148650)]