20123458680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{992281}}^1$

素因数の和:992321

約数の個数: 96

約数和(自身を含む): 65371538160

約数和(自身を除く): 45248079480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1560, 1690, 2028, 2535, 3380, 4056, 5070, 6760, 10140, 20280, 992281, 1984562, 2976843, 3969124, 4961405, 5953686, 7938248, 9922810, 11907372, 12899653, 14884215, 19845620, 23814744, 25799306, 29768430, 38698959, 39691240, 51598612, 59536860, 64498265, 77397918, 103197224, 119073720, 128996530, 154795836, 167695489, 193494795, 257993060, 309591672, 335390978, 386989590, 503086467, 515986120, 670781956, 773979180, 838477445, 1006172934, 1341563912, 1547958360, 1676954890, 2012345868, 2515432335, 3353909780, 4024691736, 5030864670, 6707819560, 10061729340, 20123458680]

約数ペア:

[(1, 20123458680), (2, 10061729340), (3, 6707819560), (4, 5030864670), (5, 4024691736), (6, 3353909780), (8, 2515432335), (10, 2012345868), (12, 1676954890), (13, 1547958360), (15, 1341563912), (20, 1006172934), (24, 838477445), (26, 773979180), (30, 670781956), (39, 515986120), (40, 503086467), (52, 386989590), (60, 335390978), (65, 309591672), (78, 257993060), (104, 193494795), (120, 167695489), (130, 154795836), (156, 128996530), (169, 119073720), (195, 103197224), (260, 77397918), (312, 64498265), (338, 59536860), (390, 51598612), (507, 39691240), (520, 38698959), (676, 29768430), (780, 25799306), (845, 23814744), (1014, 19845620), (1352, 14884215), (1560, 12899653), (1690, 11907372), (2028, 9922810), (2535, 7938248), (3380, 5953686), (4056, 4961405), (5070, 3969124), (6760, 2976843), (10140, 1984562), (20280, 992281)]