20228713960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179269}}^1$

素因数の和:179331

約数の個数: 128

約数和(自身を含む): 57825331200

約数和(自身を除く): 37596617240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3640, 4030, 4340, 5642, 8060, 8680, 11284, 14105, 16120, 22568, 28210, 56420, 112840, 179269, 358538, 717076, 896345, 1254883, 1434152, 1792690, 2330497, 2509766, 3585380, 4660994, 5019532, 5557339, 6274415, 7170760, 9321988, 10039064, 11114678, 11652485, 12548830, 16313479, 18643976, 22229356, 23304970, 25097660, 27786695, 32626958, 38901373, 44458712, 46609940, 50195320, 55573390, 65253916, 72245407, 77802746, 81567395, 93219880, 111146780, 130507832, 144490814, 155605492, 163134790, 194506865, 222293560, 288981628, 311210984, 326269580, 361227035, 389013730, 505717849, 577963256, 652539160, 722454070, 778027460, 1011435698, 1444908140, 1556054920, 2022871396, 2528589245, 2889816280, 4045742792, 5057178490, 10114356980, 20228713960]

約数ペア:

[(1, 20228713960), (2, 10114356980), (4, 5057178490), (5, 4045742792), (7, 2889816280), (8, 2528589245), (10, 2022871396), (13, 1556054920), (14, 1444908140), (20, 1011435698), (26, 778027460), (28, 722454070), (31, 652539160), (35, 577963256), (40, 505717849), (52, 389013730), (56, 361227035), (62, 326269580), (65, 311210984), (70, 288981628), (91, 222293560), (104, 194506865), (124, 163134790), (130, 155605492), (140, 144490814), (155, 130507832), (182, 111146780), (217, 93219880), (248, 81567395), (260, 77802746), (280, 72245407), (310, 65253916), (364, 55573390), (403, 50195320), (434, 46609940), (455, 44458712), (520, 38901373), (620, 32626958), (728, 27786695), (806, 25097660), (868, 23304970), (910, 22229356), (1085, 18643976), (1240, 16313479), (1612, 12548830), (1736, 11652485), (1820, 11114678), (2015, 10039064), (2170, 9321988), (2821, 7170760), (3224, 6274415), (3640, 5557339), (4030, 5019532), (4340, 4660994), (5642, 3585380), (8060, 2509766), (8680, 2330497), (11284, 1792690), (14105, 1434152), (16120, 1254883), (22568, 896345), (28210, 717076), (56420, 358538), (112840, 179269)]