20871750648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{123373}}^1$

素因数の和:123461

約数の個数: 128

約数和(自身を含む): 63957081600

約数和(自身を除く): 43085330952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 53, 56, 57, 76, 84, 106, 114, 133, 152, 159, 168, 212, 228, 266, 318, 371, 399, 424, 456, 532, 636, 742, 798, 1007, 1064, 1113, 1272, 1484, 1596, 2014, 2226, 2968, 3021, 3192, 4028, 4452, 6042, 7049, 8056, 8904, 12084, 14098, 21147, 24168, 28196, 42294, 56392, 84588, 123373, 169176, 246746, 370119, 493492, 740238, 863611, 986984, 1480476, 1727222, 2344087, 2590833, 2960952, 3454444, 4688174, 5181666, 6538769, 6908888, 7032261, 9376348, 10363332, 13077538, 14064522, 16408609, 18752696, 19616307, 20726664, 26155076, 28129044, 32817218, 39232614, 45771383, 49225827, 52310152, 56258088, 65634436, 78465228, 91542766, 98451654, 124236611, 131268872, 137314149, 156930456, 183085532, 196903308, 248473222, 274628298, 366171064, 372709833, 393806616, 496946444, 549256596, 745419666, 869656277, 993892888, 1098513192, 1490839332, 1739312554, 2608968831, 2981678664, 3478625108, 5217937662, 6957250216, 10435875324, 20871750648]

約数ペア:

[(1, 20871750648), (2, 10435875324), (3, 6957250216), (4, 5217937662), (6, 3478625108), (7, 2981678664), (8, 2608968831), (12, 1739312554), (14, 1490839332), (19, 1098513192), (21, 993892888), (24, 869656277), (28, 745419666), (38, 549256596), (42, 496946444), (53, 393806616), (56, 372709833), (57, 366171064), (76, 274628298), (84, 248473222), (106, 196903308), (114, 183085532), (133, 156930456), (152, 137314149), (159, 131268872), (168, 124236611), (212, 98451654), (228, 91542766), (266, 78465228), (318, 65634436), (371, 56258088), (399, 52310152), (424, 49225827), (456, 45771383), (532, 39232614), (636, 32817218), (742, 28129044), (798, 26155076), (1007, 20726664), (1064, 19616307), (1113, 18752696), (1272, 16408609), (1484, 14064522), (1596, 13077538), (2014, 10363332), (2226, 9376348), (2968, 7032261), (3021, 6908888), (3192, 6538769), (4028, 5181666), (4452, 4688174), (6042, 3454444), (7049, 2960952), (8056, 2590833), (8904, 2344087), (12084, 1727222), (14098, 1480476), (21147, 986984), (24168, 863611), (28196, 740238), (42294, 493492), (56392, 370119), (84588, 246746), (123373, 169176)]