20073550900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{498103}}^1$

素因数の和:498161

約数の個数: 72

約数和(自身を含む): 48423678464

約数和(自身を除く): 28350127564

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 3100, 4030, 8060, 10075, 20150, 40300, 498103, 996206, 1992412, 2490515, 4981030, 6475339, 9962060, 12452575, 12950678, 15441193, 24905150, 25901356, 30882386, 32376695, 49810300, 61764772, 64753390, 77205965, 129506780, 154411930, 161883475, 200735509, 308823860, 323766950, 386029825, 401471018, 647533900, 772059650, 802942036, 1003677545, 1544119300, 2007355090, 4014710180, 5018387725, 10036775450, 20073550900]

約数ペア:

[(1, 20073550900), (2, 10036775450), (4, 5018387725), (5, 4014710180), (10, 2007355090), (13, 1544119300), (20, 1003677545), (25, 802942036), (26, 772059650), (31, 647533900), (50, 401471018), (52, 386029825), (62, 323766950), (65, 308823860), (100, 200735509), (124, 161883475), (130, 154411930), (155, 129506780), (260, 77205965), (310, 64753390), (325, 61764772), (403, 49810300), (620, 32376695), (650, 30882386), (775, 25901356), (806, 24905150), (1300, 15441193), (1550, 12950678), (1612, 12452575), (2015, 9962060), (3100, 6475339), (4030, 4981030), (8060, 2490515), (10075, 1992412), (20150, 996206), (40300, 498103)]