20199803900

素因数分解:

$2^2\times 5^2\times {\mathrm{541}}^1\times {\mathrm{373379}}^1$

素因数の和:373934

約数の個数: 36

約数和(自身を含む): 43914715320

約数和(自身を除く): 23714911420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 541, 1082, 2164, 2705, 5410, 10820, 13525, 27050, 54100, 373379, 746758, 1493516, 1866895, 3733790, 7467580, 9334475, 18668950, 37337900, 201998039, 403996078, 807992156, 1009990195, 2019980390, 4039960780, 5049950975, 10099901950, 20199803900]

約数ペア:

[(1, 20199803900), (2, 10099901950), (4, 5049950975), (5, 4039960780), (10, 2019980390), (20, 1009990195), (25, 807992156), (50, 403996078), (100, 201998039), (541, 37337900), (1082, 18668950), (2164, 9334475), (2705, 7467580), (5410, 3733790), (10820, 1866895), (13525, 1493516), (27050, 746758), (54100, 373379)]