20697936

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 61603200

約数和(自身を除く): 40905264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 229, 269, 336, 458, 538, 687, 807, 916, 1076, 1374, 1603, 1614, 1832, 1883, 2152, 2748, 3206, 3228, 3664, 3766, 4304, 4809, 5496, 5649, 6412, 6456, 7532, 9618, 10992, 11298, 12824, 12912, 15064, 19236, 22596, 25648, 30128, 38472, 45192, 61601, 76944, 90384, 123202, 184803, 246404, 369606, 431207, 492808, 739212, 862414, 985616, 1293621, 1478424, 1724828, 2587242, 2956848, 3449656, 5174484, 6899312, 10348968, 20697936]

約数ペア:

[(1, 20697936), (2, 10348968), (3, 6899312), (4, 5174484), (6, 3449656), (7, 2956848), (8, 2587242), (12, 1724828), (14, 1478424), (16, 1293621), (21, 985616), (24, 862414), (28, 739212), (42, 492808), (48, 431207), (56, 369606), (84, 246404), (112, 184803), (168, 123202), (229, 90384), (269, 76944), (336, 61601), (458, 45192), (538, 38472), (687, 30128), (807, 25648), (916, 22596), (1076, 19236), (1374, 15064), (1603, 12912), (1614, 12824), (1832, 11298), (1883, 10992), (2152, 9618), (2748, 7532), (3206, 6456), (3228, 6412), (3664, 5649), (3766, 5496), (4304, 4809)]