20189476788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{42391}}^1$

素因数の和:42525

約数の個数: 96

約数和(自身を含む): 52644759552

約数和(自身を除く): 32455282764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 71, 78, 86, 129, 142, 156, 172, 213, 258, 284, 426, 516, 559, 852, 923, 1118, 1677, 1846, 2236, 2769, 3053, 3354, 3692, 5538, 6106, 6708, 9159, 11076, 12212, 18318, 36636, 39689, 42391, 79378, 84782, 119067, 127173, 158756, 169564, 238134, 254346, 476268, 508692, 551083, 1102166, 1653249, 1822813, 2204332, 3009761, 3306498, 3645626, 5468439, 6019522, 6612996, 7291252, 9029283, 10936878, 12039044, 18058566, 21873756, 23696569, 36117132, 39126893, 47393138, 71089707, 78253786, 94786276, 117380679, 129419723, 142179414, 156507572, 234761358, 258839446, 284358828, 388259169, 469522716, 517678892, 776518338, 1553036676, 1682456399, 3364912798, 5047369197, 6729825596, 10094738394, 20189476788]

約数ペア:

[(1, 20189476788), (2, 10094738394), (3, 6729825596), (4, 5047369197), (6, 3364912798), (12, 1682456399), (13, 1553036676), (26, 776518338), (39, 517678892), (43, 469522716), (52, 388259169), (71, 284358828), (78, 258839446), (86, 234761358), (129, 156507572), (142, 142179414), (156, 129419723), (172, 117380679), (213, 94786276), (258, 78253786), (284, 71089707), (426, 47393138), (516, 39126893), (559, 36117132), (852, 23696569), (923, 21873756), (1118, 18058566), (1677, 12039044), (1846, 10936878), (2236, 9029283), (2769, 7291252), (3053, 6612996), (3354, 6019522), (3692, 5468439), (5538, 3645626), (6106, 3306498), (6708, 3009761), (9159, 2204332), (11076, 1822813), (12212, 1653249), (18318, 1102166), (36636, 551083), (39689, 508692), (42391, 476268), (79378, 254346), (84782, 238134), (119067, 169564), (127173, 158756)]