20199366840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1\times {\mathrm{2617}}^1$

素因数の和:3253

約数の個数: 128

約数和(自身を含む): 61208421120

約数和(自身を除く): 41009054280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 491, 524, 655, 786, 982, 1048, 1310, 1473, 1572, 1964, 1965, 2455, 2617, 2620, 2946, 3144, 3928, 3930, 4910, 5234, 5240, 5892, 7365, 7851, 7860, 9820, 10468, 11784, 13085, 14730, 15702, 15720, 19640, 20936, 26170, 29460, 31404, 39255, 52340, 58920, 62808, 64321, 78510, 104680, 128642, 157020, 192963, 257284, 314040, 321605, 342827, 385926, 514568, 643210, 685654, 771852, 964815, 1028481, 1284947, 1286420, 1371308, 1543704, 1714135, 1929630, 2056962, 2569894, 2572840, 2742616, 3428270, 3854841, 3859260, 4113924, 5139788, 5142405, 6424735, 6856540, 7709682, 7718520, 8227848, 10279576, 10284810, 12849470, 13713080, 15419364, 19274205, 20569620, 25698940, 30838728, 38548410, 41139240, 51397880, 77096820, 154193640, 168328057, 336656114, 504984171, 673312228, 841640285, 1009968342, 1346624456, 1683280570, 2019936684, 2524920855, 3366561140, 4039873368, 5049841710, 6733122280, 10099683420, 20199366840]

約数ペア:

[(1, 20199366840), (2, 10099683420), (3, 6733122280), (4, 5049841710), (5, 4039873368), (6, 3366561140), (8, 2524920855), (10, 2019936684), (12, 1683280570), (15, 1346624456), (20, 1009968342), (24, 841640285), (30, 673312228), (40, 504984171), (60, 336656114), (120, 168328057), (131, 154193640), (262, 77096820), (393, 51397880), (491, 41139240), (524, 38548410), (655, 30838728), (786, 25698940), (982, 20569620), (1048, 19274205), (1310, 15419364), (1473, 13713080), (1572, 12849470), (1964, 10284810), (1965, 10279576), (2455, 8227848), (2617, 7718520), (2620, 7709682), (2946, 6856540), (3144, 6424735), (3928, 5142405), (3930, 5139788), (4910, 4113924), (5234, 3859260), (5240, 3854841), (5892, 3428270), (7365, 2742616), (7851, 2572840), (7860, 2569894), (9820, 2056962), (10468, 1929630), (11784, 1714135), (13085, 1543704), (14730, 1371308), (15702, 1286420), (15720, 1284947), (19640, 1028481), (20936, 964815), (26170, 771852), (29460, 685654), (31404, 643210), (39255, 514568), (52340, 385926), (58920, 342827), (62808, 321605), (64321, 314040), (78510, 257284), (104680, 192963), (128642, 157020)]