20211112440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{984947}}^1$

素因数の和:984986

約数の個数: 128

約数和(自身を含む): 70916256000

約数和(自身を除く): 50705143560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 984947, 1969894, 2954841, 3939788, 4924735, 5909682, 7879576, 8864523, 9849470, 11819364, 14774205, 17729046, 18713993, 19698940, 23638728, 26593569, 29548410, 35458092, 37427986, 39397880, 44322615, 53187138, 56141979, 59096820, 70916184, 74855972, 88645230, 93569965, 106374276, 112283958, 118193640, 132967845, 149711944, 168425937, 177290460, 187139930, 212748552, 224567916, 265935690, 280709895, 336851874, 354580920, 374279860, 449135832, 505277811, 531871380, 561419790, 673703748, 748559720, 842129685, 1010555622, 1063742760, 1122839580, 1347407496, 1684259370, 2021111244, 2245679160, 2526389055, 3368518740, 4042222488, 5052778110, 6737037480, 10105556220, 20211112440]

約数ペア:

[(1, 20211112440), (2, 10105556220), (3, 6737037480), (4, 5052778110), (5, 4042222488), (6, 3368518740), (8, 2526389055), (9, 2245679160), (10, 2021111244), (12, 1684259370), (15, 1347407496), (18, 1122839580), (19, 1063742760), (20, 1010555622), (24, 842129685), (27, 748559720), (30, 673703748), (36, 561419790), (38, 531871380), (40, 505277811), (45, 449135832), (54, 374279860), (57, 354580920), (60, 336851874), (72, 280709895), (76, 265935690), (90, 224567916), (95, 212748552), (108, 187139930), (114, 177290460), (120, 168425937), (135, 149711944), (152, 132967845), (171, 118193640), (180, 112283958), (190, 106374276), (216, 93569965), (228, 88645230), (270, 74855972), (285, 70916184), (342, 59096820), (360, 56141979), (380, 53187138), (456, 44322615), (513, 39397880), (540, 37427986), (570, 35458092), (684, 29548410), (760, 26593569), (855, 23638728), (1026, 19698940), (1080, 18713993), (1140, 17729046), (1368, 14774205), (1710, 11819364), (2052, 9849470), (2280, 8864523), (2565, 7879576), (3420, 5909682), (4104, 4924735), (5130, 3939788), (6840, 2954841), (10260, 1969894), (20520, 984947)]