20149081700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{6863}}^1$

素因数の和:7062

約数の個数: 144

約数和(自身を含む): 50833246464

約数和(自身を除く): 30684164764

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 157, 170, 187, 220, 275, 314, 340, 374, 425, 550, 628, 748, 785, 850, 935, 1100, 1570, 1700, 1727, 1870, 2669, 3140, 3454, 3740, 3925, 4675, 5338, 6863, 6908, 7850, 8635, 9350, 10676, 13345, 13726, 15700, 17270, 18700, 26690, 27452, 29359, 34315, 34540, 43175, 53380, 58718, 66725, 68630, 75493, 86350, 116671, 117436, 133450, 137260, 146795, 150986, 171575, 172700, 233342, 266900, 293590, 301972, 343150, 377465, 466684, 583355, 587180, 686300, 733975, 754930, 1077491, 1166710, 1283381, 1467950, 1509860, 1887325, 2154982, 2333420, 2566762, 2916775, 2935900, 3774650, 4309964, 5133524, 5387455, 5833550, 6416905, 7549300, 10774910, 11667100, 11852401, 12833810, 18317347, 21549820, 23704802, 25667620, 26937275, 32084525, 36634694, 47409604, 53874550, 59262005, 64169050, 73269388, 91586735, 107749100, 118524010, 128338100, 183173470, 201490817, 237048020, 296310025, 366346940, 402981634, 457933675, 592620050, 805963268, 915867350, 1007454085, 1185240100, 1831734700, 2014908170, 4029816340, 5037270425, 10074540850, 20149081700]

約数ペア:

[(1, 20149081700), (2, 10074540850), (4, 5037270425), (5, 4029816340), (10, 2014908170), (11, 1831734700), (17, 1185240100), (20, 1007454085), (22, 915867350), (25, 805963268), (34, 592620050), (44, 457933675), (50, 402981634), (55, 366346940), (68, 296310025), (85, 237048020), (100, 201490817), (110, 183173470), (157, 128338100), (170, 118524010), (187, 107749100), (220, 91586735), (275, 73269388), (314, 64169050), (340, 59262005), (374, 53874550), (425, 47409604), (550, 36634694), (628, 32084525), (748, 26937275), (785, 25667620), (850, 23704802), (935, 21549820), (1100, 18317347), (1570, 12833810), (1700, 11852401), (1727, 11667100), (1870, 10774910), (2669, 7549300), (3140, 6416905), (3454, 5833550), (3740, 5387455), (3925, 5133524), (4675, 4309964), (5338, 3774650), (6863, 2935900), (6908, 2916775), (7850, 2566762), (8635, 2333420), (9350, 2154982), (10676, 1887325), (13345, 1509860), (13726, 1467950), (15700, 1283381), (17270, 1166710), (18700, 1077491), (26690, 754930), (27452, 733975), (29359, 686300), (34315, 587180), (34540, 583355), (43175, 466684), (53380, 377465), (58718, 343150), (66725, 301972), (68630, 293590), (75493, 266900), (86350, 233342), (116671, 172700), (117436, 171575), (133450, 150986), (137260, 146795)]