20005936080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{493243}}^1$

素因数の和:493285

約数の個数: 120

約数和(自身を含む): 67156157088

約数和(自身を除く): 47150221008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 10140, 13520, 20280, 40560, 493243, 986486, 1479729, 1972972, 2466215, 2959458, 3945944, 4932430, 5918916, 6412159, 7398645, 7891888, 9864860, 11837832, 12824318, 14797290, 19236477, 19729720, 23675664, 25648636, 29594580, 32060795, 38472954, 39459440, 51297272, 59189160, 64121590, 76945908, 83358067, 96182385, 102594544, 118378320, 128243180, 153891816, 166716134, 192364770, 250074201, 256486360, 307783632, 333432268, 384729540, 416790335, 500148402, 512972720, 666864536, 769459080, 833580670, 1000296804, 1250371005, 1333729072, 1538918160, 1667161340, 2000593608, 2500742010, 3334322680, 4001187216, 5001484020, 6668645360, 10002968040, 20005936080]

約数ペア:

[(1, 20005936080), (2, 10002968040), (3, 6668645360), (4, 5001484020), (5, 4001187216), (6, 3334322680), (8, 2500742010), (10, 2000593608), (12, 1667161340), (13, 1538918160), (15, 1333729072), (16, 1250371005), (20, 1000296804), (24, 833580670), (26, 769459080), (30, 666864536), (39, 512972720), (40, 500148402), (48, 416790335), (52, 384729540), (60, 333432268), (65, 307783632), (78, 256486360), (80, 250074201), (104, 192364770), (120, 166716134), (130, 153891816), (156, 128243180), (169, 118378320), (195, 102594544), (208, 96182385), (240, 83358067), (260, 76945908), (312, 64121590), (338, 59189160), (390, 51297272), (507, 39459440), (520, 38472954), (624, 32060795), (676, 29594580), (780, 25648636), (845, 23675664), (1014, 19729720), (1040, 19236477), (1352, 14797290), (1560, 12824318), (1690, 11837832), (2028, 9864860), (2535, 7891888), (2704, 7398645), (3120, 6412159), (3380, 5918916), (4056, 4932430), (5070, 3945944), (6760, 2959458), (8112, 2466215), (10140, 1972972), (13520, 1479729), (20280, 986486), (40560, 493243)]