20403913620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1\times {\mathrm{4919}}^1$

素因数の和:5457

約数の個数: 96

約数和(自身を含む): 57578169600

約数和(自身を除く): 37174255980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 269, 514, 538, 771, 807, 1028, 1076, 1285, 1345, 1542, 1614, 2570, 2690, 3084, 3228, 3855, 4035, 4919, 5140, 5380, 7710, 8070, 9838, 14757, 15420, 16140, 19676, 24595, 29514, 49190, 59028, 69133, 73785, 98380, 138266, 147570, 207399, 276532, 295140, 345665, 414798, 691330, 829596, 1036995, 1264183, 1323211, 1382660, 2073990, 2528366, 2646422, 3792549, 3969633, 4147980, 5056732, 5292844, 6320915, 6616055, 7585098, 7939266, 12641830, 13232110, 15170196, 15878532, 18962745, 19848165, 25283660, 26464220, 37925490, 39696330, 75850980, 79392660, 340065227, 680130454, 1020195681, 1360260908, 1700326135, 2040391362, 3400652270, 4080782724, 5100978405, 6801304540, 10201956810, 20403913620]

約数ペア:

[(1, 20403913620), (2, 10201956810), (3, 6801304540), (4, 5100978405), (5, 4080782724), (6, 3400652270), (10, 2040391362), (12, 1700326135), (15, 1360260908), (20, 1020195681), (30, 680130454), (60, 340065227), (257, 79392660), (269, 75850980), (514, 39696330), (538, 37925490), (771, 26464220), (807, 25283660), (1028, 19848165), (1076, 18962745), (1285, 15878532), (1345, 15170196), (1542, 13232110), (1614, 12641830), (2570, 7939266), (2690, 7585098), (3084, 6616055), (3228, 6320915), (3855, 5292844), (4035, 5056732), (4919, 4147980), (5140, 3969633), (5380, 3792549), (7710, 2646422), (8070, 2528366), (9838, 2073990), (14757, 1382660), (15420, 1323211), (16140, 1264183), (19676, 1036995), (24595, 829596), (29514, 691330), (49190, 414798), (59028, 345665), (69133, 295140), (73785, 276532), (98380, 207399), (138266, 147570)]