20172984012

素因数分解:

$2^2\times 3^3\times {\mathrm{79}}^2\times {\mathrm{173}}^2$

素因数の和:517

約数の個数: 108

約数和(自身を含む): 53278697640

約数和(自身を除く): 33105713628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 108, 158, 173, 237, 316, 346, 474, 519, 692, 711, 948, 1038, 1422, 1557, 2076, 2133, 2844, 3114, 4266, 4671, 6228, 6241, 8532, 9342, 12482, 13667, 18684, 18723, 24964, 27334, 29929, 37446, 41001, 54668, 56169, 59858, 74892, 82002, 89787, 112338, 119716, 123003, 164004, 168507, 179574, 224676, 246006, 269361, 337014, 359148, 369009, 492012, 538722, 674028, 738018, 808083, 1077444, 1079693, 1476036, 1616166, 2159386, 2364391, 3232332, 3239079, 4318772, 4728782, 6478158, 7093173, 9457564, 9717237, 12956316, 14186346, 19434474, 21279519, 28372692, 29151711, 38868948, 42559038, 58303422, 63838557, 85118076, 116606844, 127677114, 186786889, 255354228, 373573778, 560360667, 747147556, 1120721334, 1681082001, 2241442668, 3362164002, 5043246003, 6724328004, 10086492006, 20172984012]

約数ペア:

[(1, 20172984012), (2, 10086492006), (3, 6724328004), (4, 5043246003), (6, 3362164002), (9, 2241442668), (12, 1681082001), (18, 1120721334), (27, 747147556), (36, 560360667), (54, 373573778), (79, 255354228), (108, 186786889), (158, 127677114), (173, 116606844), (237, 85118076), (316, 63838557), (346, 58303422), (474, 42559038), (519, 38868948), (692, 29151711), (711, 28372692), (948, 21279519), (1038, 19434474), (1422, 14186346), (1557, 12956316), (2076, 9717237), (2133, 9457564), (2844, 7093173), (3114, 6478158), (4266, 4728782), (4671, 4318772), (6228, 3239079), (6241, 3232332), (8532, 2364391), (9342, 2159386), (12482, 1616166), (13667, 1476036), (18684, 1079693), (18723, 1077444), (24964, 808083), (27334, 738018), (29929, 674028), (37446, 538722), (41001, 492012), (54668, 369009), (56169, 359148), (59858, 337014), (74892, 269361), (82002, 246006), (89787, 224676), (112338, 179574), (119716, 168507), (123003, 164004)]