20219040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:779

約数の個数: 144

約数和(自身を含む): 72727200

約数和(自身を除く): 52508160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 739, 760, 855, 912, 1140, 1368, 1440, 1478, 1520, 1710, 1824, 2217, 2280, 2736, 2956, 3040, 3420, 3695, 4434, 4560, 5472, 5912, 6651, 6840, 7390, 8868, 9120, 11085, 11824, 13302, 13680, 14041, 14780, 17736, 22170, 23648, 26604, 27360, 28082, 29560, 33255, 35472, 42123, 44340, 53208, 56164, 59120, 66510, 70205, 70944, 84246, 88680, 106416, 112328, 118240, 126369, 133020, 140410, 168492, 177360, 210615, 212832, 224656, 252738, 266040, 280820, 336984, 354720, 421230, 449312, 505476, 532080, 561640, 631845, 673968, 842460, 1010952, 1064160, 1123280, 1263690, 1347936, 1684920, 2021904, 2246560, 2527380, 3369840, 4043808, 5054760, 6739680, 10109520, 20219040]

約数ペア:

[(1, 20219040), (2, 10109520), (3, 6739680), (4, 5054760), (5, 4043808), (6, 3369840), (8, 2527380), (9, 2246560), (10, 2021904), (12, 1684920), (15, 1347936), (16, 1263690), (18, 1123280), (19, 1064160), (20, 1010952), (24, 842460), (30, 673968), (32, 631845), (36, 561640), (38, 532080), (40, 505476), (45, 449312), (48, 421230), (57, 354720), (60, 336984), (72, 280820), (76, 266040), (80, 252738), (90, 224656), (95, 212832), (96, 210615), (114, 177360), (120, 168492), (144, 140410), (152, 133020), (160, 126369), (171, 118240), (180, 112328), (190, 106416), (228, 88680), (240, 84246), (285, 70944), (288, 70205), (304, 66510), (342, 59120), (360, 56164), (380, 53208), (456, 44340), (480, 42123), (570, 35472), (608, 33255), (684, 29560), (720, 28082), (739, 27360), (760, 26604), (855, 23648), (912, 22170), (1140, 17736), (1368, 14780), (1440, 14041), (1478, 13680), (1520, 13302), (1710, 11824), (1824, 11085), (2217, 9120), (2280, 8868), (2736, 7390), (2956, 6840), (3040, 6651), (3420, 5912), (3695, 5472), (4434, 4560)]