20944080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1569

約数の個数: 120

約数和(自身を含む): 74087520

約数和(自身を除く): 53143440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1531, 1710, 2280, 2736, 3062, 3420, 4560, 4593, 6124, 6840, 7655, 9186, 12248, 13680, 13779, 15310, 18372, 22965, 24496, 27558, 29089, 30620, 36744, 45930, 55116, 58178, 61240, 68895, 73488, 87267, 91860, 110232, 116356, 122480, 137790, 145445, 174534, 183720, 220464, 232712, 261801, 275580, 290890, 349068, 367440, 436335, 465424, 523602, 551160, 581780, 698136, 872670, 1047204, 1102320, 1163560, 1309005, 1396272, 1745340, 2094408, 2327120, 2618010, 3490680, 4188816, 5236020, 6981360, 10472040, 20944080]

約数ペア:

[(1, 20944080), (2, 10472040), (3, 6981360), (4, 5236020), (5, 4188816), (6, 3490680), (8, 2618010), (9, 2327120), (10, 2094408), (12, 1745340), (15, 1396272), (16, 1309005), (18, 1163560), (19, 1102320), (20, 1047204), (24, 872670), (30, 698136), (36, 581780), (38, 551160), (40, 523602), (45, 465424), (48, 436335), (57, 367440), (60, 349068), (72, 290890), (76, 275580), (80, 261801), (90, 232712), (95, 220464), (114, 183720), (120, 174534), (144, 145445), (152, 137790), (171, 122480), (180, 116356), (190, 110232), (228, 91860), (240, 87267), (285, 73488), (304, 68895), (342, 61240), (360, 58178), (380, 55116), (456, 45930), (570, 36744), (684, 30620), (720, 29089), (760, 27558), (855, 24496), (912, 22965), (1140, 18372), (1368, 15310), (1520, 13779), (1531, 13680), (1710, 12248), (2280, 9186), (2736, 7655), (3062, 6840), (3420, 6124), (4560, 4593)]