20185412944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{32563}}^1$

素因数の和:32684

約数の個数: 80

約数和(自身を含む): 43173611712

約数和(自身を除く): 22988198768

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 53, 68, 86, 106, 136, 172, 212, 272, 344, 424, 688, 731, 848, 901, 1462, 1802, 2279, 2924, 3604, 4558, 5848, 7208, 9116, 11696, 14416, 18232, 32563, 36464, 38743, 65126, 77486, 130252, 154972, 260504, 309944, 521008, 553571, 619888, 1107142, 1400209, 1725839, 2214284, 2800418, 3451678, 4428568, 5600836, 6903356, 8857136, 11201672, 13806712, 22403344, 23803553, 27613424, 29339263, 47607106, 58678526, 74211077, 95214212, 117357052, 148422154, 190428424, 234714104, 296844308, 380856848, 469428208, 593688616, 1187377232, 1261588309, 2523176618, 5046353236, 10092706472, 20185412944]

約数ペア:

[(1, 20185412944), (2, 10092706472), (4, 5046353236), (8, 2523176618), (16, 1261588309), (17, 1187377232), (34, 593688616), (43, 469428208), (53, 380856848), (68, 296844308), (86, 234714104), (106, 190428424), (136, 148422154), (172, 117357052), (212, 95214212), (272, 74211077), (344, 58678526), (424, 47607106), (688, 29339263), (731, 27613424), (848, 23803553), (901, 22403344), (1462, 13806712), (1802, 11201672), (2279, 8857136), (2924, 6903356), (3604, 5600836), (4558, 4428568), (5848, 3451678), (7208, 2800418), (9116, 2214284), (11696, 1725839), (14416, 1400209), (18232, 1107142), (32563, 619888), (36464, 553571), (38743, 521008), (65126, 309944), (77486, 260504), (130252, 154972)]