20123274540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2917}}^1\times {\mathrm{4999}}^1$

素因数の和:7951

約数の個数: 96

約数和(自身を含む): 58826880000

約数和(自身を除く): 38703605460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 2917, 4999, 5834, 8751, 9998, 11668, 14585, 14997, 17502, 19996, 24995, 29170, 29994, 35004, 43755, 49990, 58340, 59988, 67091, 74985, 87510, 99980, 114977, 134182, 149970, 175020, 201273, 229954, 268364, 299940, 335455, 344931, 402546, 459908, 574885, 670910, 689862, 805092, 1006365, 1149770, 1341820, 1379724, 1724655, 2012730, 2299540, 3449310, 4025460, 6898620, 14582083, 29164166, 43746249, 58328332, 72910415, 87492498, 145820830, 174984996, 218731245, 291641660, 335387909, 437462490, 670775818, 874924980, 1006163727, 1341551636, 1676939545, 2012327454, 3353879090, 4024654908, 5030818635, 6707758180, 10061637270, 20123274540]

約数ペア:

[(1, 20123274540), (2, 10061637270), (3, 6707758180), (4, 5030818635), (5, 4024654908), (6, 3353879090), (10, 2012327454), (12, 1676939545), (15, 1341551636), (20, 1006163727), (23, 874924980), (30, 670775818), (46, 437462490), (60, 335387909), (69, 291641660), (92, 218731245), (115, 174984996), (138, 145820830), (230, 87492498), (276, 72910415), (345, 58328332), (460, 43746249), (690, 29164166), (1380, 14582083), (2917, 6898620), (4999, 4025460), (5834, 3449310), (8751, 2299540), (9998, 2012730), (11668, 1724655), (14585, 1379724), (14997, 1341820), (17502, 1149770), (19996, 1006365), (24995, 805092), (29170, 689862), (29994, 670910), (35004, 574885), (43755, 459908), (49990, 402546), (58340, 344931), (59988, 335455), (67091, 299940), (74985, 268364), (87510, 229954), (99980, 201273), (114977, 175020), (134182, 149970)]