20269042680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{81559}}^1$

素因数の和:81701

約数の個数: 128

約数和(自身を含む): 64595520000

約数和(自身を除く): 44326477320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 109, 114, 120, 152, 190, 218, 228, 285, 327, 380, 436, 456, 545, 570, 654, 760, 872, 1090, 1140, 1308, 1635, 2071, 2180, 2280, 2616, 3270, 4142, 4360, 6213, 6540, 8284, 10355, 12426, 13080, 16568, 20710, 24852, 31065, 41420, 49704, 62130, 81559, 82840, 124260, 163118, 244677, 248520, 326236, 407795, 489354, 652472, 815590, 978708, 1223385, 1549621, 1631180, 1957416, 2446770, 3099242, 3262360, 4648863, 4893540, 6198484, 7748105, 8889931, 9297726, 9787080, 12396968, 15496210, 17779862, 18595452, 23244315, 26669793, 30992420, 35559724, 37190904, 44449655, 46488630, 53339586, 61984840, 71119448, 88899310, 92977260, 106679172, 133348965, 168908689, 177798620, 185954520, 213358344, 266697930, 337817378, 355597240, 506726067, 533395860, 675634756, 844543445, 1013452134, 1066791720, 1351269512, 1689086890, 2026904268, 2533630335, 3378173780, 4053808536, 5067260670, 6756347560, 10134521340, 20269042680]

約数ペア:

[(1, 20269042680), (2, 10134521340), (3, 6756347560), (4, 5067260670), (5, 4053808536), (6, 3378173780), (8, 2533630335), (10, 2026904268), (12, 1689086890), (15, 1351269512), (19, 1066791720), (20, 1013452134), (24, 844543445), (30, 675634756), (38, 533395860), (40, 506726067), (57, 355597240), (60, 337817378), (76, 266697930), (95, 213358344), (109, 185954520), (114, 177798620), (120, 168908689), (152, 133348965), (190, 106679172), (218, 92977260), (228, 88899310), (285, 71119448), (327, 61984840), (380, 53339586), (436, 46488630), (456, 44449655), (545, 37190904), (570, 35559724), (654, 30992420), (760, 26669793), (872, 23244315), (1090, 18595452), (1140, 17779862), (1308, 15496210), (1635, 12396968), (2071, 9787080), (2180, 9297726), (2280, 8889931), (2616, 7748105), (3270, 6198484), (4142, 4893540), (4360, 4648863), (6213, 3262360), (6540, 3099242), (8284, 2446770), (10355, 1957416), (12426, 1631180), (13080, 1549621), (16568, 1223385), (20710, 978708), (24852, 815590), (31065, 652472), (41420, 489354), (49704, 407795), (62130, 326236), (81559, 248520), (82840, 244677), (124260, 163118)]