20178963585

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{15661}}^1$

素因数の和:15839

約数の個数: 96

約数和(自身を含む): 40460584320

約数和(自身を除く): 20281620735

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 137, 165, 171, 209, 285, 411, 495, 627, 685, 855, 1045, 1233, 1507, 1881, 2055, 2603, 3135, 4521, 6165, 7535, 7809, 9405, 13015, 13563, 15661, 22605, 23427, 28633, 39045, 46983, 67815, 78305, 85899, 117135, 140949, 143165, 172271, 234915, 257697, 297559, 429495, 516813, 704745, 861355, 892677, 1288485, 1487795, 1550439, 2145557, 2584065, 2678031, 3273149, 4463385, 6436671, 7752195, 9819447, 10727785, 13390155, 16365745, 19310013, 23601127, 29458341, 32183355, 40765583, 49097235, 70803381, 96550065, 118005635, 122296749, 147291705, 203827915, 212410143, 354016905, 366890247, 448421413, 611483745, 1062050715, 1345264239, 1834451235, 2242107065, 4035792717, 6726321195, 20178963585]

約数ペア:

[(1, 20178963585), (3, 6726321195), (5, 4035792717), (9, 2242107065), (11, 1834451235), (15, 1345264239), (19, 1062050715), (33, 611483745), (45, 448421413), (55, 366890247), (57, 354016905), (95, 212410143), (99, 203827915), (137, 147291705), (165, 122296749), (171, 118005635), (209, 96550065), (285, 70803381), (411, 49097235), (495, 40765583), (627, 32183355), (685, 29458341), (855, 23601127), (1045, 19310013), (1233, 16365745), (1507, 13390155), (1881, 10727785), (2055, 9819447), (2603, 7752195), (3135, 6436671), (4521, 4463385), (6165, 3273149), (7535, 2678031), (7809, 2584065), (9405, 2145557), (13015, 1550439), (13563, 1487795), (15661, 1288485), (22605, 892677), (23427, 861355), (28633, 704745), (39045, 516813), (46983, 429495), (67815, 297559), (78305, 257697), (85899, 234915), (117135, 172271), (140949, 143165)]