20815676936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:619

約数の個数: 128

約数和(自身を含む): 43617484800

約数和(自身を除く): 22801807864

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 127, 152, 173, 184, 254, 271, 346, 437, 508, 542, 692, 874, 1016, 1084, 1384, 1748, 2168, 2413, 2921, 3287, 3496, 3979, 4826, 5149, 5842, 6233, 6574, 7958, 9652, 10298, 11684, 12466, 13148, 15916, 19304, 20596, 21971, 23368, 24932, 26296, 31832, 34417, 41192, 43942, 46883, 49864, 55499, 68834, 75601, 87884, 93766, 110998, 118427, 137668, 151202, 175768, 187532, 221996, 236854, 275336, 302404, 375064, 417449, 443992, 473708, 505333, 604808, 653923, 791591, 834898, 890777, 947416, 1010666, 1078309, 1307846, 1583182, 1669796, 1781554, 2021332, 2156618, 2615692, 3166364, 3339592, 3563108, 4042664, 4313236, 5231384, 5954141, 6332728, 7126216, 8626472, 9601327, 11908282, 15040229, 19202654, 20487871, 23816564, 30080458, 38405308, 40975742, 47633128, 60160916, 76810616, 81951484, 113128679, 120321832, 136945243, 163902968, 226257358, 273890486, 452514716, 547780972, 905029432, 1095561944, 2601959617, 5203919234, 10407838468, 20815676936]

約数ペア:

[(1, 20815676936), (2, 10407838468), (4, 5203919234), (8, 2601959617), (19, 1095561944), (23, 905029432), (38, 547780972), (46, 452514716), (76, 273890486), (92, 226257358), (127, 163902968), (152, 136945243), (173, 120321832), (184, 113128679), (254, 81951484), (271, 76810616), (346, 60160916), (437, 47633128), (508, 40975742), (542, 38405308), (692, 30080458), (874, 23816564), (1016, 20487871), (1084, 19202654), (1384, 15040229), (1748, 11908282), (2168, 9601327), (2413, 8626472), (2921, 7126216), (3287, 6332728), (3496, 5954141), (3979, 5231384), (4826, 4313236), (5149, 4042664), (5842, 3563108), (6233, 3339592), (6574, 3166364), (7958, 2615692), (9652, 2156618), (10298, 2021332), (11684, 1781554), (12466, 1669796), (13148, 1583182), (15916, 1307846), (19304, 1078309), (20596, 1010666), (21971, 947416), (23368, 890777), (24932, 834898), (26296, 791591), (31832, 653923), (34417, 604808), (41192, 505333), (43942, 473708), (46883, 443992), (49864, 417449), (55499, 375064), (68834, 302404), (75601, 275336), (87884, 236854), (93766, 221996), (110998, 187532), (118427, 175768), (137668, 151202)]