20454749640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1456891}}^1$

素因数の和:1456924

約数の個数: 128

約数和(自身を含む): 73427356800

約数和(自身を除く): 52972607160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 1456891, 2913782, 4370673, 5827564, 7284455, 8741346, 11655128, 13112019, 14568910, 17482692, 18939583, 21853365, 26224038, 29137820, 34965384, 37879166, 39336057, 43706730, 52448076, 56818749, 58275640, 65560095, 75758332, 78672114, 87413460, 94697915, 104896152, 113637498, 131120190, 151516664, 157344228, 170456247, 174826920, 189395830, 196680285, 227274996, 262240380, 284093745, 314688456, 340912494, 378791660, 393360570, 454549992, 511368741, 524480760, 568187490, 681824988, 757583320, 786721140, 852281235, 1022737482, 1136374980, 1363649976, 1573442280, 1704562470, 2045474964, 2272749960, 2556843705, 3409124940, 4090949928, 5113687410, 6818249880, 10227374820, 20454749640]

約数ペア:

[(1, 20454749640), (2, 10227374820), (3, 6818249880), (4, 5113687410), (5, 4090949928), (6, 3409124940), (8, 2556843705), (9, 2272749960), (10, 2045474964), (12, 1704562470), (13, 1573442280), (15, 1363649976), (18, 1136374980), (20, 1022737482), (24, 852281235), (26, 786721140), (27, 757583320), (30, 681824988), (36, 568187490), (39, 524480760), (40, 511368741), (45, 454549992), (52, 393360570), (54, 378791660), (60, 340912494), (65, 314688456), (72, 284093745), (78, 262240380), (90, 227274996), (104, 196680285), (108, 189395830), (117, 174826920), (120, 170456247), (130, 157344228), (135, 151516664), (156, 131120190), (180, 113637498), (195, 104896152), (216, 94697915), (234, 87413460), (260, 78672114), (270, 75758332), (312, 65560095), (351, 58275640), (360, 56818749), (390, 52448076), (468, 43706730), (520, 39336057), (540, 37879166), (585, 34965384), (702, 29137820), (780, 26224038), (936, 21853365), (1080, 18939583), (1170, 17482692), (1404, 14568910), (1560, 13112019), (1755, 11655128), (2340, 8741346), (2808, 7284455), (3510, 5827564), (4680, 4370673), (7020, 2913782), (14040, 1456891)]