20474476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1289}}^1$

素因数の和:1342

約数の個数: 36

約数和(自身を含む): 41285160

約数和(自身を除く): 20810684

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1289, 1444, 2578, 3971, 5156, 7942, 14179, 15884, 24491, 28358, 48982, 56716, 97964, 269401, 465329, 538802, 930658, 1077604, 1861316, 5118619, 10237238, 20474476]

約数ペア:

[(1, 20474476), (2, 10237238), (4, 5118619), (11, 1861316), (19, 1077604), (22, 930658), (38, 538802), (44, 465329), (76, 269401), (209, 97964), (361, 56716), (418, 48982), (722, 28358), (836, 24491), (1289, 15884), (1444, 14179), (2578, 7942), (3971, 5156)]