20145949875

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1053383}}^1$

素因数の和:1053421

約数の個数: 48

約数和(自身を含む): 38452729536

約数和(自身を除く): 18306779661

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1125, 1275, 2125, 3825, 6375, 19125, 1053383, 3160149, 5266915, 9480447, 15800745, 17907511, 26334575, 47402235, 53722533, 79003725, 89537555, 131672875, 161167599, 237011175, 268612665, 395018625, 447687775, 805837995, 1185055875, 1343063325, 2238438875, 4029189975, 6715316625, 20145949875]

約数ペア:

[(1, 20145949875), (3, 6715316625), (5, 4029189975), (9, 2238438875), (15, 1343063325), (17, 1185055875), (25, 805837995), (45, 447687775), (51, 395018625), (75, 268612665), (85, 237011175), (125, 161167599), (153, 131672875), (225, 89537555), (255, 79003725), (375, 53722533), (425, 47402235), (765, 26334575), (1125, 17907511), (1275, 15800745), (2125, 9480447), (3825, 5266915), (6375, 3160149), (19125, 1053383)]