20449320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8969}}^1$

素因数の和:9002

約数の個数: 64

約数和(自身を含む): 64584000

約数和(自身を除く): 44134680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8969, 17938, 26907, 35876, 44845, 53814, 71752, 89690, 107628, 134535, 170411, 179380, 215256, 269070, 340822, 358760, 511233, 538140, 681644, 852055, 1022466, 1076280, 1363288, 1704110, 2044932, 2556165, 3408220, 4089864, 5112330, 6816440, 10224660, 20449320]

約数ペア:

[(1, 20449320), (2, 10224660), (3, 6816440), (4, 5112330), (5, 4089864), (6, 3408220), (8, 2556165), (10, 2044932), (12, 1704110), (15, 1363288), (19, 1076280), (20, 1022466), (24, 852055), (30, 681644), (38, 538140), (40, 511233), (57, 358760), (60, 340822), (76, 269070), (95, 215256), (114, 179380), (120, 170411), (152, 134535), (190, 107628), (228, 89690), (285, 71752), (380, 53814), (456, 44845), (570, 35876), (760, 26907), (1140, 17938), (2280, 8969)]