20403880416

素因数分解:

$2^5\times 3^2\times {\mathrm{15581}}^1\times {\mathrm{4547}}^1$

素因数の和:20144

約数の個数: 72

約数和(自身を含む): 58040020584

約数和(自身を除く): 37636140168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 4547, 9094, 13641, 15581, 18188, 27282, 31162, 36376, 40923, 46743, 54564, 62324, 72752, 81846, 93486, 109128, 124648, 140229, 145504, 163692, 186972, 218256, 249296, 280458, 327384, 373944, 436512, 498592, 560916, 654768, 747888, 1121832, 1309536, 1495776, 2243664, 4487328, 70846807, 141693614, 212540421, 283387228, 425080842, 566774456, 637621263, 850161684, 1133548912, 1275242526, 1700323368, 2267097824, 2550485052, 3400646736, 5100970104, 6801293472, 10201940208, 20403880416]

約数ペア:

[(1, 20403880416), (2, 10201940208), (3, 6801293472), (4, 5100970104), (6, 3400646736), (8, 2550485052), (9, 2267097824), (12, 1700323368), (16, 1275242526), (18, 1133548912), (24, 850161684), (32, 637621263), (36, 566774456), (48, 425080842), (72, 283387228), (96, 212540421), (144, 141693614), (288, 70846807), (4547, 4487328), (9094, 2243664), (13641, 1495776), (15581, 1309536), (18188, 1121832), (27282, 747888), (31162, 654768), (36376, 560916), (40923, 498592), (46743, 436512), (54564, 373944), (62324, 327384), (72752, 280458), (81846, 249296), (93486, 218256), (109128, 186972), (124648, 163692), (140229, 145504)]