20123004456

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{22483}}^1$

素因数の和:22927

約数の個数: 96

約数和(自身を含む): 56400664320

約数和(自身を除く): 36277659864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 401, 558, 744, 802, 1116, 1203, 1604, 2232, 2406, 3208, 3609, 4812, 7218, 9624, 12431, 14436, 22483, 24862, 28872, 37293, 44966, 49724, 67449, 74586, 89932, 99448, 111879, 134898, 149172, 179864, 202347, 223758, 269796, 298344, 404694, 447516, 539592, 696973, 809388, 895032, 1393946, 1618776, 2090919, 2787892, 4181838, 5575784, 6272757, 8363676, 9015683, 12545514, 16727352, 18031366, 25091028, 27047049, 36062732, 50182056, 54094098, 72125464, 81141147, 108188196, 162282294, 216376392, 279486173, 324564588, 558972346, 649129176, 838458519, 1117944692, 1676917038, 2235889384, 2515375557, 3353834076, 5030751114, 6707668152, 10061502228, 20123004456]

約数ペア:

[(1, 20123004456), (2, 10061502228), (3, 6707668152), (4, 5030751114), (6, 3353834076), (8, 2515375557), (9, 2235889384), (12, 1676917038), (18, 1117944692), (24, 838458519), (31, 649129176), (36, 558972346), (62, 324564588), (72, 279486173), (93, 216376392), (124, 162282294), (186, 108188196), (248, 81141147), (279, 72125464), (372, 54094098), (401, 50182056), (558, 36062732), (744, 27047049), (802, 25091028), (1116, 18031366), (1203, 16727352), (1604, 12545514), (2232, 9015683), (2406, 8363676), (3208, 6272757), (3609, 5575784), (4812, 4181838), (7218, 2787892), (9624, 2090919), (12431, 1618776), (14436, 1393946), (22483, 895032), (24862, 809388), (28872, 696973), (37293, 539592), (44966, 447516), (49724, 404694), (67449, 298344), (74586, 269796), (89932, 223758), (99448, 202347), (111879, 179864), (134898, 149172)]