20183420920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{28603}}^1$

素因数の和:28709

約数の個数: 128

約数和(自身を含む): 51899097600

約数和(自身を除く): 31715676680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 59, 65, 92, 104, 115, 118, 130, 184, 230, 236, 260, 295, 299, 460, 472, 520, 590, 598, 767, 920, 1180, 1196, 1357, 1495, 1534, 2360, 2392, 2714, 2990, 3068, 3835, 5428, 5980, 6136, 6785, 7670, 10856, 11960, 13570, 15340, 17641, 27140, 28603, 30680, 35282, 54280, 57206, 70564, 88205, 114412, 141128, 143015, 176410, 228824, 286030, 352820, 371839, 572060, 657869, 705640, 743678, 1144120, 1315738, 1487356, 1687577, 1859195, 2631476, 2974712, 3289345, 3375154, 3718390, 5262952, 6578690, 6750308, 7436780, 8437885, 8552297, 13157380, 13500616, 14873560, 16875770, 17104594, 21938501, 26314760, 33751540, 34209188, 38814271, 42761485, 43877002, 67503080, 68418376, 77628542, 85522970, 87754004, 109692505, 155257084, 171045940, 175508008, 194071355, 219385010, 310514168, 342091880, 388142710, 438770020, 504585523, 776285420, 877540040, 1009171046, 1552570840, 2018342092, 2522927615, 4036684184, 5045855230, 10091710460, 20183420920]

約数ペア:

[(1, 20183420920), (2, 10091710460), (4, 5045855230), (5, 4036684184), (8, 2522927615), (10, 2018342092), (13, 1552570840), (20, 1009171046), (23, 877540040), (26, 776285420), (40, 504585523), (46, 438770020), (52, 388142710), (59, 342091880), (65, 310514168), (92, 219385010), (104, 194071355), (115, 175508008), (118, 171045940), (130, 155257084), (184, 109692505), (230, 87754004), (236, 85522970), (260, 77628542), (295, 68418376), (299, 67503080), (460, 43877002), (472, 42761485), (520, 38814271), (590, 34209188), (598, 33751540), (767, 26314760), (920, 21938501), (1180, 17104594), (1196, 16875770), (1357, 14873560), (1495, 13500616), (1534, 13157380), (2360, 8552297), (2392, 8437885), (2714, 7436780), (2990, 6750308), (3068, 6578690), (3835, 5262952), (5428, 3718390), (5980, 3375154), (6136, 3289345), (6785, 2974712), (7670, 2631476), (10856, 1859195), (11960, 1687577), (13570, 1487356), (15340, 1315738), (17641, 1144120), (27140, 743678), (28603, 705640), (30680, 657869), (35282, 572060), (54280, 371839), (57206, 352820), (70564, 286030), (88205, 228824), (114412, 176410), (141128, 143015)]