20123658900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{409}}^1\times {\mathrm{18223}}^1$

素因数の和:18655

約数の個数: 144

約数和(自身を含む): 64855571200

約数和(自身を除く): 44731912300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 409, 450, 540, 675, 818, 900, 1227, 1350, 1636, 2045, 2454, 2700, 3681, 4090, 4908, 6135, 7362, 8180, 10225, 11043, 12270, 14724, 18223, 18405, 20450, 22086, 24540, 30675, 36446, 36810, 40900, 44172, 54669, 55215, 61350, 72892, 73620, 91115, 92025, 109338, 110430, 122700, 164007, 182230, 184050, 218676, 220860, 273345, 276075, 328014, 364460, 368100, 455575, 492021, 546690, 552150, 656028, 820035, 911150, 984042, 1093380, 1104300, 1366725, 1640070, 1822300, 1968084, 2460105, 2733450, 3280140, 4100175, 4920210, 5466900, 7453207, 8200350, 9840420, 12300525, 14906414, 16400700, 22359621, 24601050, 29812828, 37266035, 44719242, 49202100, 67078863, 74532070, 89438484, 111798105, 134157726, 149064140, 186330175, 201236589, 223596210, 268315452, 335394315, 372660350, 402473178, 447192420, 558990525, 670788630, 745320700, 804946356, 1006182945, 1117981050, 1341577260, 1676971575, 2012365890, 2235962100, 3353943150, 4024731780, 5030914725, 6707886300, 10061829450, 20123658900]

約数ペア:

[(1, 20123658900), (2, 10061829450), (3, 6707886300), (4, 5030914725), (5, 4024731780), (6, 3353943150), (9, 2235962100), (10, 2012365890), (12, 1676971575), (15, 1341577260), (18, 1117981050), (20, 1006182945), (25, 804946356), (27, 745320700), (30, 670788630), (36, 558990525), (45, 447192420), (50, 402473178), (54, 372660350), (60, 335394315), (75, 268315452), (90, 223596210), (100, 201236589), (108, 186330175), (135, 149064140), (150, 134157726), (180, 111798105), (225, 89438484), (270, 74532070), (300, 67078863), (409, 49202100), (450, 44719242), (540, 37266035), (675, 29812828), (818, 24601050), (900, 22359621), (1227, 16400700), (1350, 14906414), (1636, 12300525), (2045, 9840420), (2454, 8200350), (2700, 7453207), (3681, 5466900), (4090, 4920210), (4908, 4100175), (6135, 3280140), (7362, 2733450), (8180, 2460105), (10225, 1968084), (11043, 1822300), (12270, 1640070), (14724, 1366725), (18223, 1104300), (18405, 1093380), (20450, 984042), (22086, 911150), (24540, 820035), (30675, 656028), (36446, 552150), (36810, 546690), (40900, 492021), (44172, 455575), (54669, 368100), (55215, 364460), (61350, 328014), (72892, 276075), (73620, 273345), (91115, 220860), (92025, 218676), (109338, 184050), (110430, 182230), (122700, 164007)]