20435280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85147}}^1$

素因数の和:85163

約数の個数: 40

約数和(自身を含む): 63350112

約数和(自身を除く): 42914832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85147, 170294, 255441, 340588, 425735, 510882, 681176, 851470, 1021764, 1277205, 1362352, 1702940, 2043528, 2554410, 3405880, 4087056, 5108820, 6811760, 10217640, 20435280]

約数ペア:

[(1, 20435280), (2, 10217640), (3, 6811760), (4, 5108820), (5, 4087056), (6, 3405880), (8, 2554410), (10, 2043528), (12, 1702940), (15, 1362352), (16, 1277205), (20, 1021764), (24, 851470), (30, 681176), (40, 510882), (48, 425735), (60, 340588), (80, 255441), (120, 170294), (240, 85147)]